/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.k8s.discovery;

import org.apache.druid.discovery.NodeRole;

/**
 * Interface to abstract pod read/update with K8S API Server to allow unit tests with mock impl.
 */
public interface K8sApiClient
{
  void patchPod(String podName, String namespace, String jsonPatchStr);

  DiscoveryDruidNodeList listPods(String namespace, String labelSelector, NodeRole nodeRole);

  /**
   * @return NULL if history not available or else return the {@link WatchResult} object
   */
  WatchResult watchPods(String namespace, String labelSelector, String lastKnownResourceVersion, NodeRole nodeRole);
}
